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Subject[PATCH 26/27] ARM: shmobile: lager-reference: Enable CMT0 in device tree
Date
Enable the CMT0 device and configure channel 0 as a clock event
provider.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---
arch/arm/boot/dts/r8a7790-lager.dts | 9 +++++++++
arch/arm/mach-shmobile/board-lager-reference.c | 15 +--------------
arch/arm/mach-shmobile/include/mach/r8a7790.h | 1 -
arch/arm/mach-shmobile/setup-r8a7790.c | 7 +------
4 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 4199ae4..54ab17d 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -84,6 +84,15 @@
};
};

+&cmt0 {
+ status = "ok";
+
+ channel@0 {
+ reg = <0>;
+ clock-event-rating = <80>;
+ };
+};
+
&mmcif1 {
pinctrl-0 = <&mmc1_pins>;
pinctrl-names = "default";
diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c
index 4dd43b1..ee95a8c 100644
--- a/arch/arm/mach-shmobile/board-lager-reference.c
+++ b/arch/arm/mach-shmobile/board-lager-reference.c
@@ -29,23 +29,10 @@

static void __init lager_add_standard_devices(void)
{
-#ifdef CONFIG_COMMON_CLK
- /*
- * This is a really crude hack to provide clkdev support to the CMT
- * device until it gets moved to DT.
- */
- struct clk *clk;
-
- clk = clk_get(NULL, "cmt0");
- if (!IS_ERR(clk)) {
- clk_register_clkdev(clk, NULL, "sh-cmt-48-gen2.0");
- clk_put(clk);
- }
-#else
+#ifndef CONFIG_COMMON_CLK
r8a7790_clock_init();
#endif

- r8a7790_add_dt_devices();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}

diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h b/arch/arm/mach-shmobile/include/mach/r8a7790.h
index 0b95bab..62b31f3 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7790.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h
@@ -29,7 +29,6 @@ enum {
};

void r8a7790_add_standard_devices(void);
-void r8a7790_add_dt_devices(void);
void r8a7790_clock_init(void);
void r8a7790_pinmux_init(void);
void r8a7790_pm_init(void);
diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c
index 3e5813f..462c81f 100644
--- a/arch/arm/mach-shmobile/setup-r8a7790.c
+++ b/arch/arm/mach-shmobile/setup-r8a7790.c
@@ -294,11 +294,6 @@ static struct resource cmt0_resources[] = {
&cmt##idx##_platform_data, \
sizeof(struct sh_timer_config))

-void __init r8a7790_add_dt_devices(void)
-{
- r8a7790_register_cmt(0);
-}
-
void __init r8a7790_add_standard_devices(void)
{
r8a7790_register_scif(0);
@@ -311,7 +306,7 @@ void __init r8a7790_add_standard_devices(void)
r8a7790_register_scif(7);
r8a7790_register_scif(8);
r8a7790_register_scif(9);
- r8a7790_add_dt_devices();
+ r8a7790_register_cmt(0);
r8a7790_register_irqc(0);
r8a7790_register_thermal();
}
--
1.8.3.2


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